* {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
    color: rgba(175, 47, 47, 0.3);
}

body {
    font: 14px "Helvetica Neue", Helvetica, Arial, sans-serif;
    background: #f5f5f5;
    font-weight: 300;
    line-height: 1.4em;
    background: #f5f5f5;
    color: #4d4d4d;
    min-width: 230px;
    max-width: 550px;
    margin: 0 auto;
    padding: 0;
}

/* 注册 登录共用样式*/

#sign {
    width: 460px;
    margin: 0 auto;
}

.sign-title {
    text-align: center;
    color: rgba(175, 47, 47, 0.15);
    font-size: 50px;
    margin: 75px 0 80px 0;
    font-weight: 100;
}

.sign-form {
    background: #fff;
    width: 100%;
    padding-bottom: 20px;
    border: 1px solid #f5f5f5;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2), 0 8px 0 -3px #f6f6f6,
        0 9px 1px -3px rgba(0, 0, 0, 0.2), 0 16px 0 -6px #f6f6f6,
        0 17px 2px -6px rgba(0, 0, 0, 0.2);
}

.sign-form div {
    width: 380px;
    height: 45px;
    margin: 0 auto;
    border: 1px solid #ededed;
    position: relative;
}

.sign-form div input {
    display: block;
    height: 100%;
    width: 100%;
    border: 0;
    outline: medium;
    color: #4d4d4d;
    font-size: 16px;
    text-indent: 35px;
    -webkit-text-rendering: optimizeLegibility;
    -moz-text-rendering: optimizeLegibility;
    text-rendering: optimizeLegibility;
}

.sign-form div input::-webkit-input-placeholder {
    font-weight: 300;
    color: #e6e6e6;
}

.sign-form div input::-moz-placeholder {
    font-weight: 300;
    color: #e6e6e6;
}

.sign-form div input::input-placeholder {
    font-weight: 300;
    color: #e6e6e6;
}

.sign-form div a:hover {
    color: rgba(175, 47, 47, 0.6);
}

.sign-form div img {
    position: absolute;
    top: 0;
    left: 8px;
    bottom: 0;
    margin: auto;
    width: 15px;
    height: 20px;
}

.sign-form div button {
    width: 100%;
    height: 100%;
    border: 0;
    outline: medium;
    cursor: pointer;
    background: rgba(175, 47, 47, 0.3);
    color: #fff;
    text-align: center;
    line-height: 50px;
    font-size: 18px;
    border-radius: 5px;
}

.sign-form div button:hover {
    background: rgba(175, 47, 47, 0.6);
}

.sign-form div:nth-child(1) {
    margin-top: 36px;
}

.sign-form div:last-child {
    text-align: right;
    font-size: 12px;
    line-height: 40px;
    border: none;
}

.warning {
    position: absolute;
    display: block;
    height: 100%;
    right: 5px;
    top: 0;
    color: rgba(175, 47, 47, 0.3);
    line-height: 50px;
    font-size: 14px;
}

.prompt {
    top: -45px;
    font-size: 12px;
    left: 0;
    right: 0;
    display: none;
}

/* 注册私有 */

.register div:nth-child(2) {
    margin: 30px auto;
}

.register div:nth-child(4) {
    margin-top: 40px;
    border: none;
}

/* 登录私有 */

.login div:nth-child(2) {
    margin-top: 30px;
}

.login div:nth-child(3) {
    margin-top: 40px;
    border: none;
}
